CONSOLIDATED BALANCE SHEETS (Parentheticals) (USD $) In Thousands, except Share data, unless otherwise specified	Dec. 31, 2012	Dec. 31, 2011
Consolidated Balance Sheets [Abstract]
Accounts receivable allowance for doubtful accounts (in dollars)	$ 136	$ 97
Preferred stock, shares authorized	10,000,000	10,000,000
Preferred stock, par value (in dollars per share)	$ 0.10	$ 0.10
Preferred stock, shares outstanding
Common stock, shares authorized	50,000,000	50,000,000
Common stock, par value (in dollars per share)	$ 0.10	$ 0.10
Common stock, shares issued	13,155,440	13,035,440
Common stock, shares outstanding	13,155,440	13,035,440